package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.dao.SetmealDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.pojo.Setmeal;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;

/**
 * @author chencfgs
 * @date 2019-12-06 18:38
 */

/**
 * 1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行 预约
 * 2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
 * 3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约 则无法完成再次预约
 * 4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注 册并进行预约
 * 5、预约成功，更新当日的已预约人数
 * 6. 保存预约信息到预约表
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private SetmealDao setmealDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private OrderSettingDao orderSettingDaorderDao;

    @Override
    public Result order(Map map) throws Exception {
        String orderDate = (String) map.get("orderDate");
        System.out.println(orderDate);//2020-01-01
        Date date = DateUtils.parseString2Date(orderDate);
        System.out.println(date);//Wed Jan 01 00:00:00 CST 2020
        OrderSetting orderSetting = setmealDao.findByDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        Integer number = orderSetting.getNumber();
        Integer reservations = orderSetting.getReservations();
        if (reservations >= number) {
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if (member != null) {
            Integer member_id = member.getId();
            String setmealId = (String) map.get("setmealId");
            Order order = new Order(member_id, date, null, null, Integer.parseInt(setmealId));
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0) {
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDaorderDao.editReservationsByOrderDate(orderSetting);
        if (member == null) {
            member = new Member();
            member.setName((String) map.get("name"));
            member.setSex((String) map.get("sex"));
            member.setIdCard((String) map.get("idCard"));
            member.setPhoneNumber(telephone);
            member.setRegTime(new Date());
            memberDao.add(member);
        }
        Order order = new Order(member.getId(), date, (String) map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        return new Result(true, MessageConstant.ORDERSETTING_SUCCESS, order.getId());
    }

    @Override
    public Map findById(String id) {
        Order order = orderDao.findById(id);
        Integer memberId = order.getMemberId();
        Date orderDate = order.getOrderDate();
        String orderType = order.getOrderType();
        Integer setmealId = order.getSetmealId();

        Map limap = new HashMap();
        limap.put("orderDate", orderDate);
        limap.put("orderType", orderType);

        Member member = memberDao.findById(memberId);
        String name = member.getName();
        limap.put("member", name);

        Setmeal setmeal = setmealDao.findById(setmealId);
        String setmealName = setmeal.getName();
        limap.put("setmeal", setmealName);

        return limap;
    }

    @Override
    public void add(Order order) {
        orderDao.add(order);
    }


    @Override
    public List<Order> findByCondition(Order order) {
        List<Order> list = orderDao.findByCondition(order);
        return list;
    }
}
